158986953 has 12 divisors (see below), whose sum is σ = 234989040. Its totient is φ = 103526136.

The previous prime is 158986943. The next prime is 158986957. The reversal of 158986953 is 359689851.

It is a happy number.

158986953 is a `hidden beast` number, since 1 + 589 + 8 + 6 + 9 + 53 = 666.

It is not a de Polignac number, because 158986953 - 2⁴ = 158986937 is a prime.

It is a super-3 number, since 3×158986953³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 158986953.

It is not an unprimeable number, because it can be changed into a prime (158986957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205023 + ... + 205796.

It is an arithmetic number, because the mean of its divisors is an integer number (19582420).

Almost surely, 2^158986953 is an apocalyptic number.

It is an amenable number.

158986953 is a deficient number, since it is larger than the sum of its proper divisors (76002087).

158986953 is a wasteful number, since it uses less digits than its factorization.

158986953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410868 (or 410865 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The square root of 158986953 is about 12609.0028551032. The cubic root of 158986953 is about 541.7353330332.

The spelling of 158986953 in words is "one hundred fifty-eight million, nine hundred eighty-six thousand, nine hundred fifty-three".